Normally, I use 12 V DC or more for the supply, so I remove the jumper, which disables the onboard 5V regulator. However, removing the jumper disables the onboard 5V regulator.which would normally supply power to some digital logic circuitry on the chip. If you use a DC supply voltage greater than 12 V DC, then REMOVE this jumper (to avoid damage to the board circuitry). This jumper is connected (by default) I think. it is called the '5V_EN' jumper.aka 5 Volt Enable. Details left out, things vague/unclear etc, and the important stuff is not simply conveyed at the beginning. But this is sort of the same usual thing we deal with for the bulk of user guides and text books etc. Usually it's the stupidity of the people that wrote the instructions for the L298N, or the ones that put the counter-intuitive misleading labels on the L298N board. If anyone could let me know what my issue is that would be greatly appreciated. The controller is being fed with a 24V source which should be ok from what I saw. This is my setup with nothing but power plugged in so far: I got another controller from a different manufacturer and the same thing happened. I have tried one of these controllers before, and nothing happened and the on board LED never even lit so I assumed it was dead. I am trying to use a L298N motor driver with my Arduino Mega to control some DC motors that I have.
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